the outer layer of an animal, fungus, bacteria, or protist cell, which determines what enters or leaves the cell
What is the cell wall?
the control center of a eukaryotic cell; contains the genetic material (DNA) that directs the activities of the cell
What is the nucleus?
anything that sways an experiment’s results in a way that makes them inaccurate
What is bias?
a hypothesis that can be answered though investigation
What is a testable hypothesis?
the solution or answer to a hypothesis
What is a conclusion?
a factor that changes in an experiment
What is a variable?
membrane-bound structures within eukaryotic cells that carry out specific functions for the cell
What are organelles?
scale used to measure the magnitude of an earthquake
What is the Richter Scale?